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EMPLOYEE BENEFIT PLANS - Compensation Costs for Share-Based Payment Arrangements (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Impact of settlement   $ 3  
Net Periodic Pension Expense      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 6 6 $ 6
Interest cost 103 107 57
Expected return on assets (147) (154) (159)
Prior period service cost amortization 0 0 0
Actuarial (gain) loss 1 1 1
Net amortization 60 40 65
Impact of settlement 13   6
Net Periodic Pension Expense 36 3 (24)
Post-retirement Plans      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1 1 2
Interest cost 16 17 10
Net amortization (1) (3) 6
Net Periodic Pension Expense $ 16 $ 15 $ 18